Adding the sqlite sourcecode
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Jiří Stach committed
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<!doctype html>
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<html lang="en-us">
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<head>
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<meta charset="utf-8">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link rel="shortcut icon" href="data:image/x-icon;," type="image/x-icon">
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<link rel="stylesheet" href="common/emscripten.css"/>
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<link rel="stylesheet" href="common/testing.css"/>
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<title>speedtest1.wasm</title>
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</head>
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<body>
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<header id='titlebar'><span>speedtest1.wasm</span></header>
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<div>See also: <a href='speedtest1-worker.html'>A Worker-thread variant of this page.</a></div>
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<!-- emscripten bits -->
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<figure id="module-spinner">
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<div class="spinner"></div>
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<div class='center'><strong>Initializing app...</strong></div>
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<div class='center'>
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On a slow internet connection this may take a moment. If this
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message displays for "a long time", intialization may have
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failed and the JavaScript console may contain clues as to why.
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</div>
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</figure>
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<div class="emscripten" id="module-status">Downloading...</div>
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<div class="emscripten">
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<progress value="0" max="100" id="module-progress" hidden='1'></progress>
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</div><!-- /emscripten bits -->
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<div class='warning'>This page starts running the main exe when it loads, which will
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block the UI until it finishes! Adding UI controls to manually configure and start it
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are TODO.</div>
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</div>
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<div class='warning'>Achtung: running it with the dev tools open may
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<em>drastically</em> slow it down. For faster results, keep the dev
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tools closed when running it!
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</div>
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<div>Output is delayed/buffered because we cannot update the UI while the
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speedtest is running. Output will appear below when ready...
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<div id='test-output'></div>
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<script src="common/SqliteTestUtil.js"></script>
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<script src="jswasm/speedtest1.js"></script>
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<script>(function(){
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/**
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If this environment contains WASMFS with OPFS, this function
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initializes it and returns the name of the dir on which OPFS is
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mounted, else it returns an empty string.
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*/
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const wasmfsDir = function f(wasmUtil){
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if(undefined !== f._) return f._;
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const pdir = '/persistent';
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if( !self.FileSystemHandle
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|| !self.FileSystemDirectoryHandle
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|| !self.FileSystemFileHandle){
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return f._ = "";
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}
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try{
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if(0===wasmUtil.xCallWrapped(
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'sqlite3_wasm_init_wasmfs', 'i32', ['string'], pdir
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)){
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return f._ = pdir;
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}else{
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return f._ = "";
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}
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}catch(e){
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// sqlite3_wasm_init_wasmfs() is not available
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return f._ = "";
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}
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};
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wasmfsDir._ = undefined;
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const eOut = document.querySelector('#test-output');
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const log2 = function(cssClass,...args){
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const ln = document.createElement('div');
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if(cssClass) ln.classList.add(cssClass);
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ln.append(document.createTextNode(args.join(' ')));
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eOut.append(ln);
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//this.e.output.lastElementChild.scrollIntoViewIfNeeded();
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};
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const logList = [];
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const dumpLogList = function(){
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logList.forEach((v)=>log2('',v));
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logList.length = 0;
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};
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/* can't update DOM while speedtest is running unless we run
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speedtest in a worker thread. */;
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const log = (...args)=>{
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console.log(...args);
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logList.push(args.join(' '));
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};
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const logErr = function(...args){
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console.error(...args);
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logList.push('ERROR: '+args.join(' '));
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};
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const runTests = function(sqlite3){
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const capi = sqlite3.capi, wasm = sqlite3.wasm;
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//console.debug('sqlite3 =',sqlite3);
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const pDir = wasmfsDir(wasm);
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if(pDir){
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console.warn("Persistent storage:",pDir);
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}
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const scope = wasm.scopedAllocPush();
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let dbFile = pDir+"/speedtest1.db";
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const urlParams = new URL(self.location.href).searchParams;
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const argv = ["speedtest1"];
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if(urlParams.has('flags')){
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argv.push(...(urlParams.get('flags').split(',')));
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}
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let forceSize = 0;
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let vfs, pVfs = 0;
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if(urlParams.has('vfs')){
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vfs = urlParams.get('vfs');
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pVfs = capi.sqlite3_vfs_find(vfs);
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if(!pVfs){
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log2('error',"Unknown VFS:",vfs);
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return;
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}
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argv.push("--vfs", vfs);
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log2('',"Using VFS:",vfs);
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if('kvvfs' === vfs){
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forceSize = 4 /* 5 uses approx. 4.96mb */;
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dbFile = 'session';
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log2('warning',"kvvfs VFS: forcing --size",forceSize,
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"and filename '"+dbFile+"'.");
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capi.sqlite3_js_kvvfs_clear(dbFile);
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}
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}
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if(forceSize){
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argv.push('--size',forceSize);
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}else{
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[
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'size'
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].forEach(function(k){
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const v = urlParams.get(k);
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if(v) argv.push('--'+k, urlParams[k]);
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});
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}
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argv.push(
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"--singlethread",
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//"--nomutex",
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//"--nosync",
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//"--memdb", // note that memdb trumps the filename arg
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"--nomemstat"
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);
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argv.push("--big-transactions"/*important for tests 410 and 510!*/,
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dbFile);
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console.log("argv =",argv);
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// These log messages are not emitted to the UI until after main() returns. Fixing that
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// requires moving the main() call and related cleanup into a timeout handler.
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if(pDir) wasm.sqlite3_wasm_vfs_unlink(pVfs,dbFile);
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log2('',"Starting native app:\n ",argv.join(' '));
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log2('',"This will take a while and the browser might warn about the runaway JS.",
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"Give it time...");
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logList.length = 0;
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setTimeout(function(){
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wasm.xCall('wasm_main', argv.length,
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wasm.scopedAllocMainArgv(argv));
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wasm.scopedAllocPop(scope);
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if('kvvfs'===vfs){
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logList.unshift("KVVFS "+dbFile+" size = "+
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capi.sqlite3_js_kvvfs_size(dbFile));
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}
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if(pDir) wasm.sqlite3_wasm_vfs_unlink(pVfs,dbFile);
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logList.unshift("Done running native main(). Output:");
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dumpLogList();
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}, 50);
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}/*runTests()*/;
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self.sqlite3TestModule.print = log;
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self.sqlite3TestModule.printErr = logErr;
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sqlite3InitModule(self.sqlite3TestModule).then(runTests);
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})();</script>
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</body>
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</html>
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